Lasers,dependent on Their Wavelength,can Produce Absorption,reflection,transmission,and Scatter

question 10

Multiple Choice

Lasers,dependent on their wavelength,can produce absorption,reflection,transmission,and scatter.The effect of laser wavelength scatter does not have any therapeutic benefit at this time and can be destructive to both staff and instruments.Select a safety measure that would prevent inadvertent scatter or heating of the endoscope channel from laser energy during a surgical procedure.

• A) Ebonize the surface of laser mirrors that are used in laparoscopic cholecystectomies.
• B) Surround the surface drapes and endoscope trocar with moist sterile towels and cover the glass windows.
• C) Advance the laser fiber at least 1 cm beyond the tip of the endoscope within operator's view.
• D) Cover the laser fiber with medical-grade tubing along its entire length.

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Definitions:

Alarm Reaction

The initial stage of the body's response to stress, activating the sympathetic nervous system and the release of stress hormones.

GAS

General Adaptation Syndrome, a three-stage process that describes the physiological changes the body goes through when under stress.

Acute Reaction

A sudden and severe response, either physiological or psychological, to an external stimulus or situation.

Positive Stressor

A beneficial stress that motivates or enhances psychological growth or physical health.